DuPont and Chemours announced Monday theyve agreed to settle approximately 3,500 claims involving the toxic Teflon chemical C-8 once made at DuPonts Washington Works plant near Parkersburg for $670.70 million. Both companies will pay $335.35 million under the global settlement. A news release from Chemours Monday said the agreement “resolves all indemnification obligations between Chemours and DuPont for all of the approximately 3,500 claims in the Ohio multi-district litigation” adding the settlement “is not in any way an admission of liability or fault by DuPont or Chemours.”